The proposal in [1]} is to start with eq. (REF ) and add the following features to it: a cut-off \(\Lambda \)  and a suggestion that all couplings which are space-time constants depend on the `renormalization group time' \(t_{RG}\equiv t= \log {\Lambda \over \mu } \ge 0\) 
as a result of a solution of the ERG equations. Here \(\mu \)  is the renormalization scale, related to the energy scale at which the theory is probed.
